• Ben Hadj SalemOmarOMedical Critical Care Unit, Cochin Hospital, Assistance Publique -Hôpitaux de Paris, Paris, France.Intensive Care Unit, Centre Hospitalier Intercommunal Meulan- Les Mureaux, Meulan-en-Yvelines, France., Matthieu Jamme, Marine Paul, Lucie Guillemet, Florence Dumas, Frédéric Pène, Jean-Daniel Chiche, Julien Charpentier, Jean-Paul Mira, Hervé Outin, Eric Azabou, and Alain Cariou.
• Medical Critical Care Unit, Cochin Hospital, Assistance Publique -Hôpitaux de Paris, Paris, France.
• Neurol. Sci. 2021 Apr 25.

BackgroundPost-cardiac arrest myoclonus (PCAM) is a frequent finding in resuscitated patients after cardiac arrest (CA), with rather poor prognostic significance. In this study, we evaluated the association of PCAM within intensive care unit (ICU) mortality from a university hospital CA patients' registry.MethodsClinical data of consecutive CA survivors admitted in the intensive care unit (ICU) between January and December 2016 at the Paris Cochin University Hospital were assessed from the Parisian registry of cardiac arrest (PROCAT) and analyzed. Neurologic outcome was assessed using the Cerebral Performance Categories (CPC) scale at ICU discharge. Prevalence of PCAM and their association with mortality at ICU discharge were computed.ResultsOne hundred thirty-two (132) patients were included (73.5% males), median age of 66 years. Among them, 37 (28%) developed PCAM during their ICU stay. Only two patients with PCAM survived (5.4%). PCAM was strongly associated with mortality at ICU discharge (odds ratio 17.5 [4.2-123.2]). Sensitivity, specificity, PPV, and NPV of PCAM for prediction of death were 41%, 96%, 95%, and 46%, respectively.ConclusionPCAM was observed in nearly one-third of CA patients admitted in ICU. Patients with PCAM had a significantly higher likelihood of ICU mortality and a low likelihood of a good outcome. The prognostic value of PCAM seems rather bleak but remains nuanced and merits study in larger-scale prospective studies taking into account confounding factors.

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